BD9203EFV Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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STRUCTURE
PRODUCT
TYPE
FEATURE
Silicon Monolithic Integrated Circuit
White LED Driver for LCD Backlights with step-up DC/DC controller
BD9203EFV
・ 6CH LED current driver up to 150mA/CH built-in *2
・ Over voltage protection (OVP), Short circuit protection (SCP), LED open and short detection
・ Step-up DC/DC controller built-in
・ PWM and DC Dimming
・ Programmable timer latch and soft-start period by external capacitor
・ Over voltage protection (OVP), Short current protection (SCP), LED open and short detection
・ Under voltage lock out (UVLO)
・ HTSSOP-B28 package
○ ABSOLUTE MAXIMUM RATINGS (Ta=25℃)
PARAMETER
Symbol
Limit
Unit
Power Supply Voltage
VCC
VREF5V
36
V
7
V
STB Voltage
STB
36
V
LED Output Voltage
LED1～6
40
V
FAIL Output Voltage
FAIL
40
V
SEL, UVLO, PWM1, PWM2, RT,
Pin Voltage
SS, SLOPE, ISET, VREF,
CP, FB, OVP, CS
7
V
N
15
V
Power Dissipation
Pd
3.30 *1
W
Operating Temperature Range
Topr
-40～+85
℃
Storage Temperature Range
Tstg
-55～+150
℃
LED Maximum Current
ILED
150 *2
mA
*1 Pd derated at 26.4 mW/℃ for temperature above Ta=25℃,
mounted on 70mm×70mm×1.6mm 2 layer(cupper area 70mm×70mm)glass-epoxy PCB.
*2 This is the constant current value per 1ch. Please perform setting of the constant current value
in the range that is not beyond a value of Pd.
This product is not designed for protection against radioactive rays.
○ OPERATING CONDITIONS (Ta=25℃)
PARAMETER
Power Supply Voltage
CT Oscillation Frequency Range
VREF input voltage range
Symbol
VCC
FCT
VREF
Limit
Unit
9～35
V
100～1000
kHz
0～VREF5V
V
REV. Ａ